Na Klang climate — normals and trends
Na Klang (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.1 °C and it receives 1,326 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is April (29.0 °C on average) and the coldest is December (21.6 °C). Rainfall peaks in September.
Na Klang averages 0 frost days, 250 hot days (≥ 30 °C) and 156 rainy days per year.
Na Klang has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The hottest day of the period reached 42.4 °C (on 12 April 2016) and the coldest 4.5 °C (on 13 January 1955).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
Na KlangNong Bua Lamphu
- coords
- 17.31°, 102.19°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.1°C
Average daily high
31.3°C
Average daily low
21.8°C
Annual rainfall
1,326mm
Sunshine / day
9.7h
Mean relative humidity
73%
Average peak wind
10.1km/h
Seasonal range
7.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
250 d/yr
Rainy days (≥ 1 mm)
156 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.4 °C
Average feels-like low
24.9 °C
Average peak gust
26.3 km/h
Tropical nights (≥ 20 °C)
267 d/yr
Solar radiation
18.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.66 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
42.4 °C
12 April 2016
Coldest day
4.5 °C
13 January 1955
Wettest day
124 mm
2 July 1978
Windiest day
29.2 km/h
17 September 1962
Strongest gust
65.9 km/h
22 October 1952
Hottest feels-like
47.6 °C
12 April 1952
Coldest feels-like
1.3 °C
13 January 1955
Sunniest day
12.8 h
27 June 1941
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 28.1 °C | -0.7 °C | 0 mm | -9 mm |
| Feb | 31.4 °C | -0.1 °C | 44 mm | +31 mm |
| Mar | 33.5 °C | -0.5 °C | 5 mm | -31 mm |
| Apr | 35.6 °C | +0.7 °C | 50 mm | -26 mm |
| May | 33.5 °C | +0.2 °C | 182 mm | +4 mm |
| Jun | 33.1 °C | +0.5 °C | 156 mm | -6 mm |
| Jul | 31.7 °C | -0.3 °C | 187 mm | +13 mm |
| Aug | 32.5 °C | +1.2 °C | 288 mm | +53 mm |
| Sep | 31.7 °C | +0.9 °C | 228 mm | -56 mm |
| Oct | 31.4 °C | +1.2 °C | 95 mm | -32 mm |
| Nov | 28.1 °C | -0.9 °C | 89 mm | +61 mm |
| Dec | 28.8 °C | +1.1 °C | 10 mm | +5 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Na Klang?
Na Klang has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.1 °C and it receives 1,326 mm of precipitation per year.
What is the hottest day ever recorded in Na Klang?
The hottest day measured in Na Klang between 1940 and 2025 was 12 April 2016, reaching 42.4 °C.
What is the coldest day in Na Klang?
The coldest day measured in Na Klang between 1940 and 2025 was 13 January 1955, at 4.5 °C.
Does it snow in Na Klang?
Almost never: Na Klang sees virtually no snow, with about 0 frost days per year.
Has the climate of Na Klang warmed?
Yes: Na Klang warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Na Klang?
The wettest day measured in Na Klang between 1940 and 2025 was 2 July 1978, with 124 mm of rain in 24 hours.
What was the windiest day in Na Klang?
The windiest day measured in Na Klang between 1940 and 2025 was 17 September 1962, with winds reaching 29.2 km/h.
What is the warmest month in Na Klang?
The warmest month in Na Klang is April (29.0 °C on average); the coldest is December (21.6 °C).
How much does it rain in Na Klang?
Na Klang receives on average 1,326 mm of precipitation per year, spread over about 156 rainy days.
Is it sunny in Na Klang?
Na Klang gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.
Are there tropical nights in Na Klang?
Yes: Na Klang has on average 267 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Na Klang?
In Na Klang, between 1940 and 2025, the highest apparent temperature reached 47.6 °C on 12 April 1952, and the lowest was 1.3 °C on 13 January 1955.
Compare Na Klang with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Na Klang